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Products WEEKLY FOCUS ALPHA
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Crystal IS, Inc.

About Crystal IS

Asahi Kasei US sub developing AlN substrates, formerly UVC LEDs, in Green Island NY.
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Latest news

26 March 2026
Asahi Kasei stops Crystal IS UVC LED production, shifts to AlN substrates
Discontinues UVC LED device production; redirects resources to develop 100 mm single-crystal AlN substrates for RF and power semiconductors. Financial impact immaterial.
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